FX1S Datasheet, PDF (263/480 Pages) Mitsubishi Electric Semiconductor – FX1S

ÏÐÈÊËÀÄÍÛÅ ÈÍÑÒÐÓÊÖÈÈ
ÈÍÑÒÐÓÊÖÈÈ ÏÎËÜÇÎÂÀÒÅËß
6.8.6
ÑÏÅÖÈÀËÜÍÛÉ ÒÀÉÌÅÐ (STMR)
STMR (S+) (D+) n
S+
T0 – T199
D+
Y, M, S
n
K, H
n=1 – 32767
STMR
FNC 65
Ñïåöèàëüíûé òàéìåð
CPU
FX1S
FX1N
FX2N FX2NC
©
©
Èìï. èíñòðóêöèÿ (P) Îáðàáîòêà Øàãè ïðîãðàììû
16 Bit 32 Bit
STMR
7
©
ÓÊÀÇÀÍÈÅ
ÏÐÈÌÅÐ
ÔÓÍÊÖÈß
Ãåíåðàöèÿ ôóíêöèè ñïåöèàëüíîãî òàéìåðà
ÎÏÈÑÀÍÈÅ
b Ñ ïîìîùüþ STMR-èíñòðóêöèè ìîãóò óïðàâëÿòüñÿ ôóíêöèè ñïåöèàëüíîãî òàéìåðà
– çàìåäëåíèå îòêëþ÷åíèÿ
– òàéìåð ñ îòêëîíåíèåì âðåìåíè
– äàò÷èê ìèãàíèÿ
b Òàéìåð â (S+) (c óñòàâêîé n) óïðàâëÿåò áèòîâûì îïåðàíäîì (D+) ñëåäóþùèì îáðàçîì:
(D+):
çàìåäëåíèå îòêëþ÷åíèÿ
((D+)+1):
òàéìåð ñ îòêëîíåíèåì âðåìåíè
((D+)+2) / ((D+)+3): äàò÷èê ìèãàíèÿ
Òàêèì îáðàçîì, íà÷èíàÿ ñ (D+), çàäåéñòâóþòñÿ ÷åòûðå ïîñëåäîâàòåëüíûõ áèòà.
Òàéìåð, èñïîëüçóåìûé â ýòîé èíñòðóêöèè, íå ìîæåò ïðèìåíÿòüñÿ åùå ðàç â äðóãîì ìåñòå.
Ïðèìåíåíèå STMR-èíñòðóêöèè
X0
[S+] n [D+]
STMR T10 K100 M0
Ðèñ. 6-113.
Ïðèìåð ïðîãðàììèðîâàíèÿ ãåíåðàöèè
ôóíêöèè ñïåöèàëüíîãî òàéìåðà
X0
M0
M1
M2
M3
C000161C
Ħ
Ïðîãðàììèðîâàíèå FX1S/FX1N/FX2N/FX2NC
6 – 121